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-rw-r--r--Objects/unicodeobject.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index e74165a..3bb7974 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -190,12 +190,22 @@ PyUnicode_GetMax(void)
/* the linebreak mask is set up by Unicode_Init below */
+#if LONG_BIT >= 128
+#define BLOOM_WIDTH 128
+#elif LONG_BIT >= 64
+#define BLOOM_WIDTH 64
+#elif LONG_BIT >= 32
+#define BLOOM_WIDTH 32
+#else
+#error "LONG_BIT is smaller than 32"
+#endif
+
#define BLOOM_MASK unsigned long
static BLOOM_MASK bloom_linebreak;
-#define BLOOM_ADD(mask, ch) ((mask |= (1 << ((ch) & (LONG_BIT - 1)))))
-#define BLOOM(mask, ch) ((mask & (1 << ((ch) & (LONG_BIT - 1)))))
+#define BLOOM_ADD(mask, ch) ((mask |= (1UL << ((ch) & (BLOOM_WIDTH - 1)))))
+#define BLOOM(mask, ch) ((mask & (1UL << ((ch) & (BLOOM_WIDTH - 1)))))
#define BLOOM_LINEBREAK(ch) \
((ch) < 128U ? ascii_linebreak[(ch)] : \
@@ -205,7 +215,7 @@ Py_LOCAL_INLINE(BLOOM_MASK) make_bloom_mask(Py_UNICODE* ptr, Py_ssize_t len)
{
/* calculate simple bloom-style bitmask for a given unicode string */
- long mask;
+ BLOOM_MASK mask;
Py_ssize_t i;
mask = 0;